Classification
000 - Computer science, information & general works
658 - General management
1,895
700 - The arts; fine & decorative arts
1,419
330 - Economics
1,382
600 - Technology
1,159
333 - Economics of land & energy
987
500 - Natural sciences & mathematics
980
331 - Labor economics
979
620 - Engineering & allied operations
977
610 - Medicine & health
792
363 - Other social problems & services
650
380 - Commerce, communications & transportation
611
745 - Decorative arts
596
900 - History & geography
476
580 - Plants (Botany)
461
140 - Specific philosophical schools
422
540 - Chemistry & allied sciences
384
338 - Production
373
576 - Genetics & evolution
337
320 - Political science
306
551 - Geology, hydrology & meteorology
265
530 - Physics
258
300 - Social sciences
256
384 - Communications; telecommunication
252
011 - Bibliographies
248
770 - Photography, photographs & computer art
231
630 - Agriculture & related technologies
227
381 - Commerce
207
332 - Financial economics
199
302 - Social interaction
198
370 - Education
173
374 - Adult education
165
720 - Architecture
149
581 - Specific topics in natural history
142
400 - Language
141
340 - Law
140
414 - Phonology & phonetics
131
100 - Philosophy & psychology
125
800 - Literature & rhetoric
123
650 - Management & auxiliary services
105
006 - Special computer methods
100
153 - Mental processes & intelligence
97
304 - Factors affecting social behavior
83
410 - Linguistics
82
519 - Probabilities & applied mathematics
70
612 - Human physiology
69
670 - Manufacturing
65
170 - Ethics
57
158 - Applied psychology
53
791 - Public performances
50
more ...